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Proceedings Paper

MODIS solar diffuser stability monitor performance
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Paper Abstract

A Solar Diffuser (SD) panel, made of Spectralon, is used for the on-orbit calibration of MODIS reflective solar bands in the spectral range from 0.41 to 2.1 micron. A Solar Diffuser Stability Monitor (SDSM), designed to track the SD degradation during its on-orbit operation, is used at same time during SD calibration by alternatively viewing the Sun though a 1.44% attenuation screen and the Sun-illuminated SD. On-orbit observations have shown serious ripples in the SDSM Sun view response. In this paper, a theoretical model, developed to simulate the SDSM on-orbit performance, is described and the simulation results are compared with the actual on-orbit observations.

Paper Details

Date Published: 18 January 2002
PDF: 9 pages
Proc. SPIE 4483, Earth Observing Systems VI, (18 January 2002); doi: 10.1117/12.453449
Show Author Affiliations
Jun-Qiang Sun, Science Systems and Applications, Inc. (United States)
Xiaoxiong Xiong, Science Systems and Applications, Inc. (United States)
Bruce W. Guenther, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 4483:
Earth Observing Systems VI
William L. Barnes, Editor(s)

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